:root {
  --bg: #0a0a0a;
  --panel: #101010;
  --panel-2: #151515;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #f5f5f5;
  --muted: #999;
  --muted-2: #6f6f6f;
  --blue: #6b91ff;
  --blue-soft: #91aaff;
  --font: "DM Sans", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --display: Montserrat, "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --container: 1158px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); overflow-x: hidden; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.65; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }
.container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; padding: 8px 12px; background: #fff; color: #111; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--blue-soft); outline-offset: 3px; }

.topbar {
  position: fixed; top: 8px; left: 50%; z-index: 100;
  width: min(calc(100% - 40px), 970px); height: 44px; padding: 0 8px 0 16px;
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid rgba(255,255,255,.08); border-radius: 24px;
  background: rgba(207, 207, 207, .32); backdrop-filter: blur(20px) saturate(120%);
  box-shadow: 0 4px 24px rgba(0,0,0,.13); transform: translateX(-50%);
  transition: background .25s ease;
}
.topbar.is-scrolled { background: rgba(106,106,106,.55); }
.wordmark { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.whale { width: 30px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.word-deepseek { font-size: 22px; font-weight: 600; letter-spacing: -.04em; line-height: 1; }
.brand-chip, .preview-chip { padding: 3px 9px; border: 1px solid rgba(255,255,255,.26); border-radius: 13px; font-size: 11px; line-height: 1.2; }
.preview-chip { color: #dbe5ff; border-color: rgba(121,156,255,.44); background: rgba(75,111,207,.42); }
.top-actions { display: flex; align-items: center; gap: 16px; font-size: 12px; }
.top-actions > a:not(.nav-download) { color: rgba(255,255,255,.72); }
.top-actions > a:hover { color: #fff; }
.star-badge { height: 26px; padding: 0 8px; display: inline-flex; align-items: center; gap: 5px; border: 1px solid rgba(255,255,255,.15); border-radius: 7px; background: rgba(255,255,255,.06); color: rgba(255,255,255,.78); font-family: var(--mono); font-size: 10px; font-variant-numeric: tabular-nums; }
.star-badge svg { width: 13px; height: 13px; fill: currentColor; }
.star-badge:hover { border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.11); }
.site-theme-toggle { height: 29px; padding: 0 11px; display: inline-flex; align-items: center; gap: 6px; border: 1px solid rgba(151,181,255,.38); border-radius: 16px; background: rgba(75,106,188,.22); color: #eaf0ff; font-size: 11px; cursor: pointer; }
.site-theme-toggle svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.site-theme-toggle:hover { border-color: rgba(186,204,255,.68); background: rgba(91,125,219,.32); }
.nav-community { height: 29px; padding: 0 11px; display: inline-flex; align-items: center; gap: 5px; border: 1px solid rgba(255,160,190,.48); border-radius: 16px; background: linear-gradient(110deg,rgba(235,112,174,.28),rgba(245,145,91,.25)); }
.nav-community span,.qq-mark { width: 18px; height: 18px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: linear-gradient(135deg,#ed7fbd,#ff9c6a); color: #fff; font-family: var(--display); font-size: 10px; font-weight: 700; }
.nav-download { height: 32px; padding: 0 14px; display: inline-flex; align-items: center; gap: 6px; border-radius: 18px; background: #fff; color: #151515; font-weight: 600; }
.nav-download svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.hero { position: relative; min-height: 900px; overflow: hidden; isolation: isolate; }
.hero-backdrop { position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(14,27,44,.82), rgba(25,67,113,.35)), url("assets/hero-main.webp") center 35% / cover; opacity: .9; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 22% 25%, rgba(235,226,188,.23), transparent 17%), radial-gradient(circle at 63% 25%, rgba(228,223,201,.22), transparent 18%), linear-gradient(180deg, rgba(16,42,75,.05) 0%, rgba(9,13,18,.3) 55%, var(--bg) 100%); }
.hero-inner { min-height: 900px; padding-top: 190px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: center; }
.hero-copy { padding-bottom: 34px; }
.overline { margin-bottom: 8px; font-size: 17px; font-weight: 600; }
h1 { margin-bottom: 28px; font-family: var(--display); font-size: clamp(46px, 5vw, 64px); font-weight: 500; line-height: 1.17; letter-spacing: -.035em; }
.hero-summary { max-width: 610px; margin-bottom: 8px; color: rgba(239,243,248,.63); font-size: 16px; line-height: 1.75; }
.hero-buttons { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 10px; }
.btn { min-height: 42px; padding: 0 17px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid rgba(255,255,255,.15); border-radius: 23px; background: rgba(255,255,255,.07); color: rgba(255,255,255,.88); font-size: 14px; transition: transform .18s ease, background .18s ease, color .18s ease; }
.btn:hover { transform: translateY(-2px); background: rgba(255,255,255,.12); }
.btn svg { width: 17px; height: 17px; fill: currentColor; }
.btn-primary { border-color: #fff; background: #fff; color: #141414; font-weight: 600; }
.btn-primary:hover { background: #f0f0f0; }
.btn-community { border-color: rgba(255,169,191,.52); background: linear-gradient(110deg,#db6da9,#e58c5b); color: #fff; font-weight: 600; box-shadow: 0 10px 30px rgba(214,94,151,.18); }
.btn-community:hover { background: linear-gradient(110deg,#e778b3,#ee9866); }
.btn-community .qq-mark { background: rgba(255,255,255,.2); }
.btn-star { border-color: rgba(255,255,255,.26); background: rgba(9,14,21,.35); }
.button-stat { min-width: 24px; padding: 1px 6px; border: 1px solid rgba(255,255,255,.15); border-radius: 10px; color: rgba(255,255,255,.64); font-family: var(--mono); font-size: 10px; font-variant-numeric: tabular-nums; }
.support-proof { max-width: 650px; margin: 16px 0 0; display: flex; flex-wrap: wrap; align-items: center; gap: 5px 12px; color: rgba(255,255,255,.42); font-size: 11px; }
.support-proof > span { display: inline-flex; align-items: center; gap: 4px; }
.support-proof > span:not(:first-child)::before { content: ""; width: 3px; height: 3px; margin-right: 7px; border-radius: 50%; background: rgba(255,255,255,.34); }
.support-proof strong { color: rgba(255,255,255,.72); font-family: var(--mono); font-weight: 500; font-variant-numeric: tabular-nums; }
.support-proof a { flex-basis: 100%; width: fit-content; color: rgba(207,220,255,.72); text-decoration: underline; text-decoration-color: rgba(145,170,255,.38); text-underline-offset: 4px; }
.support-proof a:hover { color: #fff; }

.download-terminal { position: relative; margin-top: 55px; }
.terminal-tabs { height: 38px; padding-left: 14px; display: flex; align-items: flex-end; gap: 4px; }
.terminal-tab { height: 38px; padding: 0 18px; border: 0; border-radius: 9px 9px 0 0; background: transparent; color: rgba(255,255,255,.55); font-size: 13px; cursor: pointer; }
.terminal-tab.is-active { background: rgba(31,46,65,.82); color: #fff; }
.terminal-window { min-height: 184px; border: 1px solid rgba(255,255,255,.07); border-radius: 10px; background: rgba(14,27,42,.68); backdrop-filter: blur(14px); box-shadow: 0 16px 55px rgba(3,8,14,.22); overflow: hidden; }
.terminal-bar { height: 45px; padding: 0 14px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid rgba(255,255,255,.07); }
.dot { width: 12px; height: 12px; border-radius: 50%; }.dot-red{background:#ff5e57}.dot-yellow{background:#febc2e}.dot-green{background:#28c840}
.copy-button { margin-left: auto; padding: 6px; display: inline-flex; align-items: center; gap: 5px; border: 0; background: none; color: rgba(255,255,255,.48); font-size: 11px; cursor: pointer; }
.copy-button svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.terminal-command { min-height: 96px; padding: 25px 24px 14px; display: flex; align-items: center; gap: 18px; color: #f0f3f8; transition: background .18s ease; }
.terminal-command:hover { background: rgba(107,145,255,.08); }
.terminal-command code { min-width: 0; flex: 1; font-family: var(--mono); font-size: 15px; line-height: 1.7; overflow-wrap: anywhere; }
.terminal-command code::before { content: "$"; margin-right: 10px; color: var(--blue); }
.terminal-cta { flex: 0 0 auto; padding: 7px 12px; border-radius: 16px; background: #fff; color: #111; font-size: 11px; font-weight: 600; }
.terminal-meta { padding: 0 24px 18px; display: flex; gap: 18px; color: rgba(255,255,255,.38); font-size: 10px; }

.foundation { min-height: 1120px; padding: 130px 0 180px; }
.center-heading { text-align: center; }
.eyebrow-chip, .section-pill, .section-title > span { display: inline-flex; padding: 4px 11px; border: 1px solid var(--line-strong); border-radius: 13px; background: linear-gradient(180deg, #252525, #171717); color: #dedede; font-family: var(--mono); font-size: 10px; letter-spacing: .05em; box-shadow: inset 0 1px rgba(255,255,255,.08), 0 5px 18px rgba(0,0,0,.25); }
.center-heading h2 { margin: 38px 0 24px; font-size: clamp(32px, 3.4vw, 46px); font-weight: 500; line-height: 1.25; }
.center-heading h2 strong { color: var(--blue); font-family: var(--mono); font-size: .86em; letter-spacing: .06em; }
.center-heading p { color: var(--muted); font-size: 16px; }
.principle-grid { margin-top: 68px; display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.principle-card { min-height: 292px; padding: 42px 34px 34px; display: flex; flex-direction: column; align-items: center; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); text-align: center; }
.principle-icon { width: 55px; height: 55px; margin-bottom: 24px; fill: none; stroke: #aaa; stroke-width: 1.2; }
.principle-card h3 { margin-bottom: 2px; font-size: 20px; font-weight: 500; border-bottom: 1px dashed #666; }
.principle-card > span { color: #777; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; }
.principle-card p { margin: 23px 0 0; color: #929292; font-size: 14px; line-height: 1.75; }

.latest-features { padding: 20px 0 145px; }
.latest-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.latest-card { position: relative; min-height: 240px; padding: 34px 34px 30px; border: 1px solid var(--line); border-radius: 9px; background: linear-gradient(145deg,#141414,#0f0f0f); overflow: hidden; }
.latest-card::after { content: ""; position: absolute; right: -55px; bottom: -75px; width: 170px; height: 170px; border: 1px solid rgba(107,145,255,.12); border-radius: 50%; box-shadow: 0 0 70px rgba(107,145,255,.06); }
.latest-index { display: inline-flex; color: var(--blue-soft); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; }
.latest-card h3 { margin: 22px 0 13px; font-size: 20px; font-weight: 500; }
.latest-card p { position: relative; z-index: 1; max-width: 520px; margin: 0 0 23px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.latest-card small { position: relative; z-index: 1; color: #666; font-family: var(--mono); font-size: 10px; }

.features { padding: 40px 0 180px; }
.section-title { margin-bottom: 85px; }
.section-title h2 { margin: 24px 0 0; font-size: clamp(32px, 3.2vw, 44px); font-weight: 500; letter-spacing: -.02em; }
.feature-row { min-height: 610px; padding: 70px 0; display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.04); }
.feature-row-reverse { grid-template-columns: 1.22fr .78fr; }
.feature-row-reverse .feature-copy { order: 2; }.feature-row-reverse .product-shot { order: 1; }
.feature-title { display: flex; align-items: center; gap: 12px; }
.play-icon { width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid #d2d2d2; border-radius: 50%; font-family: var(--mono); font-size: 10px; }
.feature-copy h3 { margin: 0; font-size: 25px; font-weight: 500; }
.feature-copy > p { margin: 28px 0 26px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.feature-copy ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; color: #777; font-size: 13px; }
.feature-copy li::before { content: ""; width: 4px; height: 4px; margin: 0 10px 2px 0; display: inline-block; border-radius: 50%; background: var(--blue); }
.product-shot { position: relative; margin: 0; border: 1px solid var(--line); border-radius: 10px; background: #111; box-shadow: 0 28px 90px rgba(0,0,0,.28); overflow: hidden; }
.product-shot::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.03); pointer-events: none; }
.product-shot img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: left top; transition: transform .6s ease; }
.product-shot:hover img { transform: scale(1.015); }

.theme-showcase { position: relative; min-height: 1040px; padding: 140px 0 100px; overflow: hidden; isolation: isolate; }
.theme-bg { position: absolute; inset: 0; z-index: -2; background: url("assets/whale-song-dark.webp") center / cover; opacity: .28; }
.theme-showcase::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg,var(--bg),rgba(10,10,10,.25) 24%,rgba(10,10,10,.3) 70%,var(--bg)); }
.theme-content { text-align: center; }
.theme-content h2 { margin: 26px 0 16px; font-size: clamp(34px, 4vw, 52px); font-weight: 500; }
.theme-content > p { max-width: 650px; margin: 0 auto; color: rgba(255,255,255,.57); }
.theme-switch { margin: 34px 0 20px; display: flex; justify-content: center; gap: 8px; }
.theme-switch button { padding: 7px 16px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(0,0,0,.25); color: rgba(255,255,255,.62); font-size: 12px; cursor: pointer; }
.theme-switch button.is-active { background: #fff; color: #111; }
.theme-frame { max-width: 1000px; margin: 0 auto; padding: 6px; border: 1px solid rgba(255,255,255,.2); border-radius: 12px; background: rgba(0,0,0,.42); box-shadow: 0 50px 120px rgba(0,0,0,.55); overflow: hidden; }
.theme-frame img { width: 100%; aspect-ratio: 16/9; border-radius: 7px; object-fit: cover; object-position: left top; transition: opacity .25s ease; }

.mobile-section { padding: 150px 0 120px; }
.mobile-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: center; }
.mobile-copy h2 { margin: 28px 0 24px; font-size: clamp(38px,4vw,54px); font-weight: 500; line-height: 1.2; }
.mobile-copy > p { color: var(--muted); line-height: 1.9; }
.mobile-points { margin-top: 32px; display: grid; gap: 9px; color: #777; font-size: 13px; }
.mobile-points span::before { content: ""; width: 5px; height: 5px; margin-right: 10px; display: inline-block; border-radius: 50%; background: var(--blue); }
.phones { position: relative; height: 660px; display: flex; align-items: center; justify-content: center; }
.phones figure { position: relative; width: 31%; margin: 0 -2%; padding: 7px; border: 1px solid var(--line-strong); border-radius: 26px; background: #151515; box-shadow: 0 25px 70px rgba(0,0,0,.35); overflow: hidden; transform: translateY(30px) rotate(-4deg); }
.phones figure:last-child { transform: translateY(30px) rotate(4deg); }
.phones .phone-main { z-index: 2; width: 36%; transform: none; }
.phones img { border-radius: 19px; }

.install { padding: 140px 0 180px; }
.install-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.install-card { min-height: 242px; padding: 38px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.install-card h3 { margin-bottom: 12px; font-size: 20px; font-weight: 500; }.install-card p{color:var(--muted);font-size:14px}
.code-line { width: 100%; min-height: 54px; margin-top: 25px; padding: 0 16px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.04); border-radius: 7px; background: #202020; color: #eee; text-align: left; cursor: pointer; }
.code-line code { min-width: 0; flex: 1; font-family: var(--mono); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prompt { color: var(--blue); font-family: var(--mono); }.code-action{color:#777;font-size:11px}

.release { padding: 10px 0 180px; }
.release-card { padding: 48px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; border: 1px solid var(--line); border-radius: 9px; background: linear-gradient(135deg,#131313,#0d0d0d); }
.release-heading { display: flex; align-items: center; gap: 18px; }
.release-state { padding: 5px 10px; border: 1px solid rgba(107,145,255,.35); border-radius: 14px; color: var(--blue-soft); font-family: var(--mono); font-size: 10px; letter-spacing: .06em; }
.release-heading .release-version { font-family: var(--mono); font-size: 25px; font-weight: 500; }
.release-copy > p { max-width: 650px; margin: 25px 0 30px; color: var(--muted); font-size: 14px; }
.release-facts { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.release-facts span { padding: 16px; border: 1px solid rgba(255,255,255,.05); border-radius: 7px; background: #171717; }
.release-facts small { display: block; color: #686868; font-size: 10px; }
.release-facts strong,.release-facts time { color: #bbb; font-family: var(--mono); font-size: 11px; }
.release-links { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.update-flow { margin: 0; padding: 0; list-style: none; display: grid; align-content: center; }
.update-flow li { min-height: 84px; padding: 18px 0; display: grid; grid-template-columns: 42px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.update-flow li:last-child { border-bottom: 0; }
.update-flow li > span { color: var(--blue); font-family: var(--mono); font-size: 11px; }
.update-flow strong,.update-flow small { display: block; }.update-flow strong{font-size:14px;font-weight:500}.update-flow small{margin-top:3px;color:#666;font-size:10px}

.faq { padding: 0 0 150px; }
.faq-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.faq-card { min-height: 190px; padding: 34px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.faq-card h3 { margin: 0 0 16px; font-size: 18px; font-weight: 500; }
.faq-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.join { position: relative; min-height: 720px; padding: 110px 0; display: flex; align-items: center; overflow: hidden; }
.join-glow { position: absolute; left: 50%; bottom: -430px; width: 900px; height: 650px; border-radius: 50%; background: radial-gradient(circle,rgba(80,112,212,.28),transparent 62%); transform: translateX(-50%); }
.join-inner { position: relative; padding: 54px; display: grid; grid-template-columns: 1fr 300px; gap: 80px; align-items: center; border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(135deg,rgba(20,20,20,.96),rgba(10,10,10,.88)); }
.join h2 { margin: 28px 0 22px; font-size: clamp(34px,4vw,50px); font-weight: 500; line-height: 1.2; }
.join p { max-width: 650px; margin: 0; color: var(--muted); }.join p strong{color:#ddd;font-family:var(--mono)}
.join-buttons { margin-top: 32px; }
.group-copy { cursor: pointer; }
.community-secondary { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 22px; color: #707070; font-size: 12px; }
.community-secondary a:hover { color: #bbb; }
.group-qr { padding: 12px; display: block; border: 1px solid rgba(255,255,255,.12); border-radius: 22px; background: #f4f4f6; color: #555; text-align: center; box-shadow: 0 28px 70px rgba(0,0,0,.35); transition: transform .2s ease, border-color .2s ease; }
.group-qr:hover { transform: translateY(-4px); border-color: rgba(255,174,197,.55); }
.group-qr img { width: 100%; max-height: 410px; border-radius: 14px; object-fit: contain; }
.group-qr span { padding: 10px 0 3px; display: block; font-size: 11px; }

@keyframes vivid-gradient-drift {
  0% { background-position: 0% 30%, 100% 20%, 20% 80%, 0 0; }
  50% { background-position: 16% 18%, 84% 34%, 58% 70%, 0 0; }
  100% { background-position: 30% 42%, 68% 16%, 82% 56%, 0 0; }
}

@keyframes vivid-orbit {
  0% { transform: translate3d(-2%, -1%, 0) scale(1); }
  50% { transform: translate3d(3%, 2%, 0) scale(1.04); }
  100% { transform: translate3d(-1%, 4%, 0) scale(.98); }
}

html[data-site-theme="vivid"] {
  color-scheme: light;
  --bg: #f7f9ff;
  --panel: rgba(255,255,255,.78);
  --panel-2: #ffffff;
  --line: rgba(35,58,96,.11);
  --line-strong: rgba(35,58,96,.2);
  --text: #142238;
  --muted: #5a687c;
  --muted-2: #78869a;
  --blue: #4169ee;
  --blue-soft: #3157d4;
  background: #f7f9ff;
}

html[data-site-theme="vivid"] body { background: linear-gradient(180deg,#f7f9ff 0%,#fff9f7 48%,#f4f8ff 100%); }
html[data-site-theme="vivid"] .topbar { border-color: rgba(43,66,102,.12); background: rgba(255,255,255,.72); color: #16243a; box-shadow: 0 10px 40px rgba(62,86,125,.12); }
html[data-site-theme="vivid"] .topbar.is-scrolled { background: rgba(255,255,255,.9); }
html[data-site-theme="vivid"] .top-actions > a:not(.nav-download) { color: #526176; }
html[data-site-theme="vivid"] .top-actions > a:hover { color: #15243b; }
html[data-site-theme="vivid"] .brand-chip { border-color: rgba(31,50,82,.19); }
html[data-site-theme="vivid"] .preview-chip { border-color: rgba(65,105,238,.3); background: rgba(65,105,238,.1); color: #3157d4; }
html[data-site-theme="vivid"] .site-theme-toggle { border-color: rgba(65,105,238,.28); background: linear-gradient(110deg,rgba(101,155,255,.16),rgba(255,146,180,.18)); color: #284dbd; }
html[data-site-theme="vivid"] .nav-download { background: #14233a; color: #fff; }
html[data-site-theme="vivid"] .star-badge { border-color: rgba(31,50,82,.13); background: rgba(255,255,255,.48); color: #40536d; }
html[data-site-theme="vivid"] .hero-backdrop { background: radial-gradient(circle at 16% 22%,rgba(58,181,255,.34),transparent 31%),radial-gradient(circle at 82% 18%,rgba(255,113,169,.3),transparent 30%),radial-gradient(circle at 62% 78%,rgba(255,174,83,.28),transparent 30%),linear-gradient(130deg,#f8fbff,#fdf7ff 52%,#fffaf4); background-size: 115% 115%,120% 120%,125% 125%,100% 100%; opacity: 1; animation: vivid-gradient-drift 14s ease-in-out infinite alternate; }
html[data-site-theme="vivid"] .hero::before { background: radial-gradient(circle at 28% 30%,rgba(255,255,255,.9),transparent 20%),radial-gradient(circle at 70% 34%,rgba(255,255,255,.68),transparent 23%),linear-gradient(180deg,transparent 50%,rgba(247,249,255,.9) 92%,var(--bg)); animation: vivid-orbit 12s ease-in-out infinite alternate; }
html[data-site-theme="vivid"] .hero-summary { color: #536276; }
html[data-site-theme="vivid"] .support-proof { color: #708097; }
html[data-site-theme="vivid"] .support-proof strong,html[data-site-theme="vivid"] .support-proof a { color: #425b84; }
html[data-site-theme="vivid"] .support-proof > span:not(:first-child)::before { background: rgba(45,70,110,.32); }
html[data-site-theme="vivid"] .button-stat { border-color: rgba(35,58,96,.13); color: #536987; }
html[data-site-theme="vivid"] .btn-ghost { border-color: rgba(35,58,96,.14); background: rgba(255,255,255,.5); color: #304158; }
html[data-site-theme="vivid"] .btn-ghost:hover { background: rgba(255,255,255,.85); }
html[data-site-theme="vivid"] .btn-primary { border-color: #14233a; background: #14233a; color: #fff; }
html[data-site-theme="vivid"] .terminal-tab { color: #64748a; }
html[data-site-theme="vivid"] .terminal-tab.is-active { background: rgba(255,255,255,.72); color: #1e3150; box-shadow: 0 -1px rgba(255,255,255,.7); }
html[data-site-theme="vivid"] .terminal-window { border-color: rgba(42,67,108,.13); background: rgba(255,255,255,.7); box-shadow: 0 24px 70px rgba(51,79,123,.14); }
html[data-site-theme="vivid"] .terminal-bar { border-color: rgba(42,67,108,.1); }
html[data-site-theme="vivid"] .copy-button,html[data-site-theme="vivid"] .terminal-meta { color: #708097; }
html[data-site-theme="vivid"] .terminal-command { color: #213553; }
html[data-site-theme="vivid"] .terminal-command:hover { background: rgba(74,115,235,.06); }
html[data-site-theme="vivid"] .terminal-cta { background: #4169ee; color: #fff; }
html[data-site-theme="vivid"] .eyebrow-chip,html[data-site-theme="vivid"] .section-pill,html[data-site-theme="vivid"] .section-title > span { border-color: rgba(53,77,118,.14); background: rgba(255,255,255,.78); color: #425575; box-shadow: 0 8px 24px rgba(62,86,125,.08); }
html[data-site-theme="vivid"] .principle-card,html[data-site-theme="vivid"] .latest-card,html[data-site-theme="vivid"] .install-card,html[data-site-theme="vivid"] .faq-card { border-color: var(--line); background: rgba(255,255,255,.76); box-shadow: 0 22px 60px rgba(58,81,117,.08); }
html[data-site-theme="vivid"] .principle-icon { stroke: #4e6482; }
html[data-site-theme="vivid"] .principle-card > span,html[data-site-theme="vivid"] .principle-card p,html[data-site-theme="vivid"] .feature-copy ul,html[data-site-theme="vivid"] .mobile-points { color: #69798f; }
html[data-site-theme="vivid"] .latest-card p,html[data-site-theme="vivid"] .latest-card small { color: #69798f; }
html[data-site-theme="vivid"] .latest-card::after { border-color: rgba(65,105,238,.12); box-shadow: 0 0 70px rgba(65,105,238,.08); }
html[data-site-theme="vivid"] .principle-card h3 { border-color: #8c98aa; }
html[data-site-theme="vivid"] .feature-row { border-color: rgba(37,62,101,.08); }
html[data-site-theme="vivid"] .product-shot { border-color: rgba(37,62,101,.13); background: #fff; box-shadow: 0 28px 80px rgba(49,72,108,.14); }
html[data-site-theme="vivid"] .theme-showcase::after { background: linear-gradient(180deg,var(--bg),rgba(255,255,255,.52) 22%,rgba(250,247,255,.42) 72%,var(--bg)); }
html[data-site-theme="vivid"] .theme-bg { background-image: url("assets/xp-light.webp"); opacity: .2; }
html[data-site-theme="vivid"] .theme-content > p { color: #5b6b80; }
html[data-site-theme="vivid"] .theme-switch button { border-color: rgba(34,58,96,.14); background: rgba(255,255,255,.58); color: #5a6b82; }
html[data-site-theme="vivid"] .theme-switch button.is-active { background: #14233a; color: #fff; }
html[data-site-theme="vivid"] .theme-frame { border-color: rgba(35,58,96,.16); background: rgba(255,255,255,.72); box-shadow: 0 40px 100px rgba(49,72,108,.18); }
html[data-site-theme="vivid"] .phones figure { border-color: rgba(35,58,96,.16); background: #fff; box-shadow: 0 25px 70px rgba(49,72,108,.16); }
html[data-site-theme="vivid"] .code-line { border-color: rgba(35,58,96,.08); background: #eef3ff; color: #243959; }
html[data-site-theme="vivid"] .release-card,html[data-site-theme="vivid"] .join-inner { border-color: var(--line); background: linear-gradient(135deg,rgba(255,255,255,.9),rgba(246,249,255,.78)); box-shadow: 0 30px 90px rgba(49,72,108,.1); }
html[data-site-theme="vivid"] .release-facts span { border-color: rgba(35,58,96,.07); background: rgba(238,244,255,.75); }
html[data-site-theme="vivid"] .release-facts strong,html[data-site-theme="vivid"] .release-facts time { color: #435570; }
html[data-site-theme="vivid"] .update-flow li { border-color: rgba(35,58,96,.09); }
html[data-site-theme="vivid"] .update-flow small,html[data-site-theme="vivid"] .community-secondary { color: #718197; }
html[data-site-theme="vivid"] .join-glow { background: radial-gradient(circle,rgba(255,125,178,.2),rgba(75,139,255,.1),transparent 68%); }
html[data-site-theme="vivid"] footer { border-color: var(--line); }
html[data-site-theme="vivid"] .footer-inner,html[data-site-theme="vivid"] .footer-inner .wordmark { color: #6c7b91; }
footer { padding: 34px 0; border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 36px; align-items: center; color: #666; font-size: 10px; }.footer-inner .wordmark{color:#bbb}.footer-inner .word-deepseek{font-size:17px}.footer-inner .brand-chip{font-size:9px}.footer-inner p{margin:0;text-align:center}.footer-inner a:hover{color:#aaa}

.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.75,.2,1); }.js .reveal-delay{transition-delay:.12s}.js .reveal.is-visible{opacity:1;transform:none}

@media (max-width: 900px) {
  .top-actions > a:not(.nav-download):not(.nav-community){display:none}.preview-chip{display:none}
  .hero-inner{grid-template-columns:1fr;gap:10px;padding-top:150px;padding-bottom:100px}.hero,.hero-inner{min-height:980px}.download-terminal{width:min(100%,600px);margin-top:10px}
  .principle-grid,.latest-grid,.install-grid,.faq-grid{grid-template-columns:1fr}.foundation{min-height:auto}.principle-card{min-height:260px}
  .release-card{grid-template-columns:1fr;gap:35px}
  .feature-row,.feature-row-reverse{grid-template-columns:1fr;gap:36px;padding:70px 0}.feature-row-reverse .feature-copy,.feature-row-reverse .product-shot{order:initial}
  .mobile-layout{grid-template-columns:1fr}.mobile-copy{max-width:640px}.phones{max-width:680px;margin:0 auto}
  .join-inner{grid-template-columns:1fr;gap:45px}.group-qr{width:min(100%,300px);margin:0 auto}
  .footer-inner{grid-template-columns:1fr;justify-items:center}.footer-inner p{max-width:520px}
}

@media (max-width: 620px) {
  .container{width:min(calc(100% - 32px),var(--container))}.topbar{top:6px;width:calc(100% - 20px);height:42px;padding-left:11px}.word-deepseek{font-size:17px}.whale{width:25px}.brand-chip{font-size:9px;padding:3px 7px}.top-actions{gap:5px}.site-theme-toggle{width:30px;padding:0;justify-content:center}.site-theme-toggle span{display:none}.nav-community{padding:0 8px;font-size:10px}.nav-community span{display:none}.nav-download{padding:0 10px;font-size:10px}.nav-download svg{display:none}
  .hero,.hero-inner{min-height:850px}.hero-inner{padding-top:130px;align-content:start}.hero-backdrop{background-position:35% center}.overline{font-size:14px}h1{font-size:44px}.hero-summary{font-size:14px}.hero-buttons{margin-top:30px}.btn{font-size:12px;padding:0 14px}.download-terminal{margin-top:34px}.terminal-command{padding-inline:18px;gap:10px}.terminal-command code{font-size:12px}.terminal-cta{padding:6px 9px;font-size:10px}.terminal-meta{gap:11px;flex-wrap:wrap}
  .foundation{padding:100px 0 120px}.center-heading h2{margin-top:30px;font-size:31px}.center-heading p{font-size:14px}.principle-grid{margin-top:48px}
  .latest-features{padding:0 0 100px}.latest-card{min-height:0;padding:28px 22px}.latest-card h3{font-size:18px}
  .features{padding-bottom:110px}.section-title{margin-bottom:40px}.section-title h2{font-size:32px}.feature-row{min-height:0;padding:55px 0}.feature-title h3{font-size:20px}.feature-copy>p{font-size:14px;margin:21px 0}.product-shot img{aspect-ratio:16/11}
  .theme-showcase{min-height:780px;padding:105px 0 80px}.theme-content h2{font-size:34px}.theme-content>p{font-size:14px}.theme-switch{overflow-x:auto;justify-content:flex-start}.theme-switch button{white-space:nowrap}.theme-frame{padding:3px}
  .mobile-section{padding:100px 0 70px}.mobile-copy h2{font-size:38px}.phones{height:470px;margin-top:10px}.phones figure{width:37%;margin:0 -5%;padding:4px;border-radius:18px}.phones .phone-main{width:43%}.phones img{border-radius:13px}
  .install{padding:100px 0 120px}.install-card{padding:28px 22px}.code-line{padding:0 12px}.code-line code{font-size:11px}
  .release{padding:0 0 120px}.release-card{padding:28px 22px}.release-facts{grid-template-columns:1fr}.release-links{flex-direction:column}.release-links .btn{width:100%}
  .faq{padding:0 0 100px}.faq-card{min-height:0;padding:28px 22px}
  .join{min-height:520px;padding:90px 0}.join-inner{padding:32px 22px;gap:36px}.join h2{font-size:34px}.join-buttons{flex-direction:column;align-items:stretch}.join-buttons .btn{width:100%}.community-secondary{gap:16px}.group-qr{width:min(100%,270px)}
}

@media (prefers-reduced-motion: reduce) { html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.js .reveal{opacity:1;transform:none} }